:root {
  --brand-ink: #102a43;
  --brand-wine: #1d3557;
  --brand-amber: #4ea8de;
  --brand-cream: #e9f0f8;
  --brand-slate: #23435d;
  --brand-mist: #e6eef7;
  --brand-shadow: rgba(15, 23, 42, 0.12);
}

body {
  font-family: "Source Sans 3", "Segoe UI", sans-serif;
  background: radial-gradient(circle at top left, #ffffff 0%, #e9f0f8 45%, #d8e6f7 100%);
  color: var(--brand-ink);
}

h1, h2, h3, .navbar-brand {
  font-family: "Source Sans 3", "Segoe UI", sans-serif;
  letter-spacing: 0.2px;
}

.navbar {
  background: #ffffff !important;
  border-bottom: 1px solid #e5e7eb;
}

.navbar-brand {
  color: var(--brand-wine) !important;
  font-weight: 600;
}

.nav-link {
  color: var(--brand-slate) !important;
  font-weight: 600;
}

.container {
  max-width: 1400px;
}

.admin-hero {
  background: linear-gradient(135deg, #ffffff 0%, #e9f4ff 55%, #dfeaf7 100%);
  border-radius: 16px;
  padding: 24px 28px;
  box-shadow: 0 12px 30px var(--brand-shadow);
  margin-bottom: 24px;
}

.admin-card {
  background: #ffffff;
  border-radius: 14px;
  padding: 20px 22px;
  box-shadow: 0 10px 24px var(--brand-shadow);
  margin-bottom: 20px;
}

.admin-card.alert {
  border: 1px solid #f1c0c0;
  background: #fff5f5;
}

.admin-card.wide {
  width: 100%;
}

.campaign-grid {
  display: grid;
  gap: 18px;
  grid-template-columns: minmax(320px, 1fr) minmax(320px, 1fr);
  align-items: start;
}

.campaign-grid .form-field select {
  min-height: 140px;
}

.campaign-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  align-items: center;
  margin-bottom: 18px;
}

.campaign-modal {
  border: none;
  padding: 0;
  max-width: 980px;
  width: 92%;
  background: transparent;
}

.campaign-modal::backdrop {
  background: rgba(15, 23, 42, 0.35);
  backdrop-filter: blur(2px);
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 16px;
}

@media (max-width: 1100px) {
  .campaign-grid {
    grid-template-columns: 1fr;
  }
}

.admin-grid {
  display: grid;
  gap: 18px;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
}

.admin-table {
  width: 100%;
  border-collapse: collapse;
  background: #ffffff;
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 8px 20px var(--brand-shadow);
}

.admin-table th {
  text-align: left;
  font-weight: 700;
  background: #f9fafb;
  padding: 12px 14px;
  border-bottom: 1px solid #e5e7eb;
}

.admin-table td {
  padding: 12px 14px;
  border-bottom: 1px solid #eef2f7;
}

.admin-table tr:hover {
  background: #eef6ff;
}

.form-row {
  display: grid;
  gap: 14px;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
}

.form-field label {
  font-weight: 600;
  margin-bottom: 6px;
  display: inline-block;
}

.form-field input,
.form-field select,
.form-field textarea {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid #d1d5db;
  border-radius: 8px;
}

.form-field.full-width {
  grid-column: 1 / -1;
}

.html-preview {
  width: 100%;
  min-height: 360px;
  padding: 12px 14px;
  border: 1px solid #d1d5db;
  border-radius: 8px;
  background: #f8fafc;
  overflow: auto;
}

.form-actions {
  margin-top: 24px;
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.btn-primary {
  background: var(--brand-wine);
  border-color: var(--brand-wine);
}

.btn-secondary {
  background: var(--brand-slate);
  border-color: var(--brand-slate);
}

.btn-danger {
  background: #b91c1c;
  border-color: #b91c1c;
}

.badge-soft {
  background: #e6f2ff;
  color: #1e3a5f;
  padding: 4px 10px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.85rem;
}

.action-stack {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.email-editor {
  min-height: 240px;
  margin-bottom: 24px;
  position: relative;
  z-index: 0;
}

.email-editor .ql-container {
  height: auto;
  min-height: 220px;
}

.email-editor .ql-editor {
  min-height: 220px;
}

.form-actions {
  position: relative;
  z-index: 1;
}

.editor-actions {
  position: relative;
  z-index: 2;
}

@media (max-width: 768px) {
  .admin-hero {
    padding: 20px;
  }

  .form-row {
    grid-template-columns: 1fr;
  }
}